During 2019, all mailboxes will be moved to the cloud. This move will allow us to upgrade from Exchange 2010, which will enable us to take advantage of some exciting new features.
New Outlook Web Access – new look, better browsing capability, archiving, emojis, etc.
Updated Calendar – email reminders for events, improved search, birthday calendars, etc.
More storage – 100GB mailbox storage for each user
Better integration with other Office 365 services, like OneDrive and SharePoint
Improvements to document collaboration
More comprehensive spam detection
Additional out of office options